If we could measure the mass of the spaceship as it goes by, what ...

[sabina]

If we could measure the mass of the spaceship as it goes by, what would it be?
 
  A) Its mass is infinite.
  B) Its mass is greater than its rest mass.
  C) Its mass is the same as it would be if it were not moving.
  D) Its mass is less than its rest mass.

Question 2

Suppose you lived at Earth's equator. Which of the following statements would not be true?
 
  A) The north celestial pole is directly on your horizon, due north (with Polaris quite nearby).
  B) The south celestial pole is directly on your horizon, due south.
  C) Every day of the year, the Sun is above your horizon for 12 hours and below it for 12 hours.
  D) The celestial equator goes through your sky from due east on your horizon, through 50 altitude in the south, to due west on the horizon.
  E) No stars are circumpolar.

[mfedorka]

Answer to Question 1

B

Answer to Question 2

D